baber/WOPTO huggingface dataset:
Patent CA-1135155-A (CA)
Inventor: HENRIKSSON STIG R
IPC: B25D9/14
Filed: 1979-10-18
Granted: 1982-11-09
Abstract: Abstract of the Disclosure A hydraulically operated impact motor, e.g. for a jack hammer, has a hammer piston that has a piston surface 19 in a pressure chamber 21 which is constantly; pressurized in order to effect the work strokes of the hammer piston, and a larger piston surface 20 in a second pressure chamber 21 which is intermittently pressurized in order to effect the return strokes of the hammer piston.  The second pressure chamber 22 is also connected to the exhaust line via a one-way valve that permits flow towards the second pressure chamber 22.
Patent CA-1141799-A (CA)
Inventor: CONLEY JAMES R
IPC: E05C3/16
Filed: 1980-01-04
Granted: 1983-02-22
Abstract: Abstract of the Disclosure A latch assembly for picnic coolers and the like includes a base, a latch, and an operating knob which is movably mounted on the base.  The latch is pivotally supported by a fulcrum on the base, and the operating knob includes a pair of cams which pivot the latch be-tween latched and unlatched positions.
Patent CA-1111390-A (CA)
Inventor: SIEGHART HANS D
IPC: B05B11/00
Filed: 1980-01-16
Granted: 1981-10-27
Abstract: ABSTRACT OF THE DISCLOSURE     A dispenser for pasty products of the type having a usually cylindric container with a slidable piston-like  bottom which can advance towards the discharge end of the container as the volume inside the container is decreased.  A dispensing head assembly telescopes at the discharge end of the container and is provided with two check valves, one separating the head from the interior of the container, the other at the dis-charge nozzle or spout.  On contraction of the head, the first mentioned valve is closed and the latter open for discharge.  As the head is expanded by a return spring, the discharge valve closes and the first mentioned valve opens to admit the pasty product from the container into the head assembly.
Patent CA-1145326-A (CA)
Inventor: ARRIBAU JORGE O
IPC: E21B43/26
Filed: 1980-01-22
Granted: 1983-04-26
Abstract: METHOD AND APPARATUS FOR BLENDING LIQUIDS AND SOLIDS           Abstract of the Disclosure A high capacity blender has been devised which is adaptable for use in achieving the proper blend of liquid-to-liquid or liquid-to-solid constituents making up a gel composition for use in fracturing oil and gas well formations in which a high speed impeller is mounted for rotation concentrically within an outer easing and has a solids inlet which is isolated from the liquid inlet.  A series of liquid inlet apertnnes are disposed in outer concentric surrounding relation to the impeller, and impeller vanes within the impellers are operative to impart a centrifugal force to solids in-troduced therein whereby to direct the solids and mat-erials radially and outwardly under considerable force into the liquid stream which is directed axially along the inner wall of a mixing chamber.  A preselected amount of the blended materials may be recirculated through the impeller inlet, and varying amounts of the solids in proportion to the liquid may be introduced through the impeller region while assuring intimate mixing with the liquid stream in a single stage for introduction under the desired pressure for pumping into the well.
Patent CA-1103225-A (CA)
Inventor: SAUTTER DANIEL C
IPC: B02C19/00
Filed: 1980-01-31
Granted: 1981-06-16
Abstract: ABSTRACT OF THE DISCLOSURE           Improved drive shafting elements suitable for use in high speed rotating crushing machinery are disclosed comprising a central cantilever shaft mounted within a surrounding sleeve to which the cantilever shaft is rigidly connected at one end and within which the cantilever shaft has substantial radial play at the other end to permit a rotating impeller or similar element mounted thereon to center itself automatically for rotation on its center of gravity at speeds above the first critical speed.  Means are included for damping radial vibra-tions as the shafting rotates through the first critical speed and for damping whirl due to shaft instabilities and self-excited vibrations above the first critical speed,  Improved impactor targets for use in centrifugal crushing machines and improved centrifugal crushing method are also disclosed.
Patent CA-1136698-A (CA)
Inventor: GELENIUS ROBERT B
IPC: H02P6/18
Filed: 1980-04-08
Granted: 1982-11-30
Abstract: COMMUTATORLESS DIRECT CURRENT MOTOR DRIVE SYSTEM            Abstract of the Disclosure A commutatorless direct current motor drive system that initiates rotation of a permanent magnet rotor from standstill upon the application of supply potential and then sustains rotor rotation by sequen-tially energizing the polyphase stator phase windings in response to the alternating current potential wave-forms induced in the stator phase windings by the magnetic field of the permanent magnet rotor upon rotor rotation.
Patent CA-1137064-A (CA)
Inventor: VANGERMAIN ERWIN
IPC: B01J23/96
Filed: 1980-04-24
Granted: 1982-12-07
Abstract: ABSTRACT    A method is described for activating or reactivating silver-carrier catalysts for use in the production of ethylene-oxide by oxidizing ethylene with a reaction gas selected from the group consisting of oxygen, or gases containing oxygen, with the aid of promotor-metals, characterized in that the reaction-gas mixture is passed, at least intermittently and at least partly, through a layer arranged before the catalyst zone, the said layer containing compounds of the promotor-metals in a uniformly-divided form.     :
Patent CA-1144509-A (CA)
Inventor: GEORGE ALAN L
IPC: B65G13/075
Filed: 1980-05-12
Granted: 1983-04-12
Abstract: ABSTRACT      A drivable load-carrying roller assembly comprises a conveyor roller, roller-driving means at an end of the roller and a clutch disposed at that end for coupling the roller to the driving means and operable by linear displacement of means formed on or displaceable with a guard member shielding the said driving means.  The guard member advantageously comprises a plate displaceable in a direction at right angles to the roller and provided with cam means engageable with one part of the clutch for shifting that part, in the axial direction of the roller, in relation to another clutch part, whereby the coupling of the roller to the driving means by the clutch is controlled.  The said one clutch part may be spring-loaded towards its clutch-engaging position and movable to its clutch-disengaging position by the cam means or movable towards both its engaging position and its dis-engaging position by the cam means.      The invention extends to conveyors comprising such roller assemblies actuated in unison.
Patent CA-1172796-A (CA)
Inventor: GOTO JUGO
IPC: C08F8/30
Filed: 1980-05-13
Granted: 1984-08-14
Abstract: Abstract of the Disclosure The invention is a polymer having crosslinked structure, and a process for producing the polymer, which process comprises reacting a polymer having in the molecule a partial structure of the formula:       with an oxazoline derivative of the general formula:       wherein n is an integer of 1 to 4; R is an n-valent aromatic hydrocarbon residual radical; and R1, R2, R3, and R4 which may be the same or different, are each hydrogen or an alkyl group having not more than 3 carbon atoms.  The polymer shows excellent adherence, and are of value as coatings, adhesives and molding materials with much improved heat and solvent resistance.
Patent CA-1152629-A (CA)
Inventor: UUSITALO SEPPO J
IPC: G01N29/00
Filed: 1980-05-14
Granted: 1983-08-23
Abstract: Abstract of the disclosure The average particle size for particles distributed in a slurry is determined by transmitting at least one beam of ultrasonic rays of a certain frequency into the slurry, detecting, by sepa-rate detector means, on one hand ultrasonic radiation that passes through the slurry and, on the other hand, ultrasonic radiation scattered in the slurry, said detector means forming first and second signals corresponding to the intensities of the passed-through and the scattered radiation respectively, de-termining the scattering attennation factor on the basis of said first and second signals and the total attennation factor by using the intensity of passed-through radiation obtained with pure water, and determining the particle size with the help of the scattering attennation factor, whereby the ratio of said factor and the total attennation factor is formed in order to eliminate influence of the slurry density.  Two transmitters operating at different frequencies may be used, whereby one detector may detect passed-through radiation at one frequency and the other detector may detect scattered radiation at the other frequency.
Patent CA-1146441-A (CA)
Title: Valve having a ring-shaped, movable  valve body
Inventor: PERSSON BENGT A
IPC: F16K17/02
Filed: 1980-06-02
Granted: 1983-05-17
Abstract: ABSTRACT            A valve is provided with a ring-shaped, movable valve plate (11) made of resilient material.  The pressure prevailing in a pipe line acts on one side of the valve plate, while atmospheric pressure acts on the other side of said plate, said other side abutting a valve seat (2,4).  Arranged on the valve plate is a ring-shaped pressure plate (12) made of a rigid material and around the circumference of which there is provided a guide means whose extension axially is smaller than the valve chamber in which the valve plate and pressure plate are arranged.
Patent CA-1131836-A (CA)
Title: Radiation curable dispersions containing  high molecular weight essentially  nonpolymerizable vinyl resins
Inventor: CARDER CHARLES H
IPC: C08F2/54
Filed: 1980-06-03
Granted: 1982-09-14
Abstract: RADIATION CURABLE DISPERSIONS CONTAINING HIGH MOLECULAR WEIGHT ESSENTIALLY NONPOLYMERIZABLE VINYL RESINS                 ABSTRACT OF THE DISCLOSURE         Dispersions of high molecular weight, essentially non-polymerizable vinyl resins in mixtures of radiation curable monofunctional and polyfunctional acrylyl monomers and/or oligomers.  The dispersions are useful as coating and ink compostions.     S P E C I F I C A T I O N   1.
Patent CA-1158100-A (CA)
Inventor: RESCHLY DAVID C
IPC: F23K3/18
Filed: 1980-06-03
Granted: 1983-12-06
Abstract: MULTI-FUEL FEEDER DISTRIBUTOR       ABSTRACT OF THE DISCLOSURE        A multi-fuel feeder distributor for a stoker capable of feeding into a furnace and distributing over a grate or hearth, coal and a second fuel, such as wood or a waste fuel, either in combina-tion or separately, comprising a coal feed and a second fuel feed having outlet spouts discharging into a single feed throat into the furnace. Coal is fed from a coal hopper at a continuous controlled rate to a distributor portion of the coal feeder which mechanically throws the coal into the furnace and distributes it evenly over the entire grate surface. The second feeder, an air swept waste fuel feeder, may be used at the same time to feed waste fuel in combina-tion with the coal without interfering with the operation of the coal feed. Water-cooling is used at the feed throat along the furnace wall. The waste fuel feeder further comprises: a counterbalanced damper extending across the feed chute of the feeder to aid in distributing the fuel across the width of the chute and serve as a back draft damper to prevent blow back from the furnace, with the added capability of being locked in a position to form a narrow venturi throat to feed fine fuels; an air discharge slot at the discharge point to improve distribution of the fuel; and a rotary damper to provide varying air flow having an additional side damper to allow for variable minimum air flow when the rotary damper is in a position of minimum air flow.
Patent CA-1129337-A (CA)
Inventor: WEICHMAN BERNARD E
IPC: E21B43/28
Filed: 1980-06-17
Granted: 1982-08-10
Abstract: ABSTRACT      A method for the recovery of products from nahcolite-bearing oil shale ore deposits which comprises, in per tinent part, in situ retorting of oil shale ore from which a major portion of the nahcolite has been separated.
Patent CA-1138394-A (CA)
Inventor: KELLEY DALE T
IPC: B62J6/00
Filed: 1980-11-04
Granted: 1982-12-28
Abstract: ABSTRACT OF THE DISCLOSURE        A safety flasher to be mounted on a bicycle, or alternatively to be worn by a person.  Its purpose is to increase one's visibility at night. It features a simple assembly and closing means in which a pair of screws hold major components in location and also complete the electrical circuit between the control and the signal lamp.
Patent CA-1151812-A (CA)
Inventor: MALONEY JAMES E
IPC: D21C5/02
Filed: 1980-11-12
Granted: 1983-08-16
Abstract: Abstract of the Disclosure Washing methods of deinking secondary cellulose fiber (i.e., removing unwanted non-cellulose materials therefrom) are disclosed.  These washing methods (as opposed to flotation methods) generally involve deinking the fiber with surface active agent (surfactant) comprising:   an oxyethylene glycol chain, wherein one terminal hydroxyl of the chain has been replaced with an ether group selected from the group consisting of an aliphatic ether group and an alkylaromatic ether group, and the other terminal hydroxyl of the chain has been replaced with an ether group selected from the group consisting of a polyoxypropylene group and a benzyl ether group.            The present washing method of deinking reduces or eliminates objectionable foam, potentially provides energy savings yet maintains or improves the quality of the deinked fiber.
Patent CA-1132328-A (CA)
Inventor: GOSSELIN LEON
IPC: E04B1/08
Filed: 1980-11-26
Granted: 1982-09-28
Abstract: ABSTRACT OF THE DISCLOSURE:     A modular structure for use in providing work areas in which the environment can be controlled.  The structure comprises at least one enclosure having six equal-sized wall panels.  Connectors are provided for joining the wall panels together at their corners to provide a hexagon-shaped perimeter wall.  A hexagon-shaped roof cover rests on the wall.  The roof cover has an air inlet, and the bottom edge of the peri-meter wall lies in a not tight manner on the ground to provide a circumferential air outlet gap.  A plurality of hexagon-shaped enclosures, serially joined together, can form the structure.  Each pair of adjacent enclosures share a common wall as one of their six walls.  At least one of the wall panels in each enclosure has a door therein.  At least one of wall panels in each enclosure can have a material pass-through therein.
Patent CA-1135968-A (CA)
Inventor: CHROSTOWSKI RONALD F
IPC: F25B13/00
Filed: 1980-12-09
Granted: 1982-11-23
Abstract: Apparatus and Method for Defrosting a Heat Exchanger of a Refrigeration Circuit Abstract Apparatus and method for providing a combination of nonreverse and reverse defrost for a refrigeration circuit are disclosed.  A three-way valve is provided for initially circulating hot gaseous refrigerant directly from the compressor to the heat exchanger requiring defrost.  An intermediate header is provided as part of the internal circuiting of the outdoor heat exchanger, said intermediate header serving to direct hot gaseous refrigerant from the three-way valve into all of the circuits of the outdoor heat exchanger simultaneously to effect defrost thereof.  If, after a predetermined time period, the first mode of defrost directing hot gaseous refrigerant directly to the outdoor heat exchanger fails to accomplish defrost then the three-way valve is returned to its original position and the system is operated in a second defrost mode with the reversing valve being changed such that the system operates in the cooling mode and the outdoor heat exchanger serves as a condenser until defrost is completed.  During the first mode of defrost, a liquid line solenoid valve is used to prevent the flow of refrigerant between the indoor heat exchanger and the outdoor heat exchanger.
Patent CA-1153037-A (CA)
Title: Round sling as well as a strop formed therefrom or a  round sling mat formed therefrom
Inventor: RAUE KARL M
IPC: F16G11/00
Filed: 1981-01-21
Granted: 1983-08-30
Abstract: ABSTRACT OF THE DISCLOSURE         The present invention provides a round sling comprising a core in the form one or several thread skeins and a seamless woven protective covering surrounding the core throughout its total length in such a manner that the core is loosely disposed therein, the protective covering including at least one flat web, extending laterally therefrom in cross-section being woven into the protective covering.
Patent CA-1144629-A (CA)
Title: Dispositif d'affichage miniature
Inventor: GRANDJEAN PIERRE-ANDRE
IPC: G09F11/00
Filed: 1981-03-10
Granted: 1983-04-12
Abstract: Dispositif de modulation de lumière comprend des volets fixes et mobiles formés sur un support en silicium en utilisant la technologie des circuits intégrés. Les volets mobiles sont maintenus au support par des attaches élastiques servant de ressorts de rappel. Les volets sont montés entre deux plaques de verre porteuses d'électrodes transparentes susceptibles de créer un champ électrique local à l'endroit des volets mobiles afin de mettre ceux-ci en rotation autour des attaches. Un absorbeur, placé sous la plaque de verre inférieure, permet l'utilisation du dispositif pour un affichage alphanumérique à contraste élevé. Le dispositif peut aussi être utilisé comme valve optique à commande électronique. Le dispositif fonctionne sous une faible tension de commande, et possède une consommation d'énergie extrêmement faible.
Patent CA-1171259-A (CA)
Inventor: KAUFELDT ROLAND
IPC: B60B31/02
Filed: 1981-04-09
Granted: 1984-07-24
Abstract: ABSTRACT OF THE DISCLOSURE   A device and a method for automatically tightening spokes in spoke wheels. The device of the invention is used with a spoke wheel comprising a hub, into which spokes have been passed and extend through a wheel rim and are each provided with a loosely threaded spoke nipple at the outside of the rim. The device comprises means for clamping the hub and for engaging the outside and the edges of the rim as well as coupling means driven by prime movers for tighten-ing the spoke nipples. The method proposes the steps of securely clamping the hub, securing the outside of the rim, subjecting the rim to a force in such manner that it becomes positioned in a single plane, and tightening each of the spoke nipples to an individual predetermined tightening torque.
Patent CA-1152780-A (CA)
Inventor: EVANS RICHARD F
IPC: B23B13/02
Filed: 1981-05-08
Granted: 1983-08-30
Abstract: ABSTRACT       A collet for an atuomatic bar feed machine tool has an outer sleeve, an inner sleeve reciprocable in the outer sleeve, and a spring to bias the inner sleeve away from the gripping region of the outer sleeve.  Bar stock is gripped in the collet by the outer sleeve end acting on the end of the inner sleeve, the bar being fed through the collet and short ends falling away from the collet during feeding so that bar can be continuously fed through the collet without having to stop the machine to remove short ends.
Patent CA-1170968-A (CA)
Inventor: WASSERMAN ALLAN
IPC: D01D5/42
Filed: 1981-05-20
Granted: 1984-07-17
Abstract: WASSERMAN, Allan RETROREFLECTIVE FIBER AND METHOD OF MAKING SAME     Abstract of the Disclosure A thread-like continuous retroreflective fiber and method of making same, comprising the steps of laminating a thin film of retroreflective material to a supporting polyester film, and then slitting the laminate to form narrow strips of retroreflective material having sufficient strength to be combined with other fibers to form a composite yarn having retroreflective characteristics, which composite yarn may then be woven, knitted, or spun to provide a fabric having retroreflective characteristics.
Patent CA-1140946-A (CA)
Inventor: OSTROWSKI PAUL C
IPC: B01D53/14
Filed: 1981-05-27
Granted: 1983-02-08
Abstract: Abstract of the Disclosure In processes in which liquid sorbents that are solutions in an aromatic hydrocarbon or halogenated aromatic hydrocarbon of a bimetallic salt complex having the generic formula MIMIIXn?Aromatic, wherein MI is a Group I-B metal, MII is a Group III-A metal, X is halogen, n is the sum of the valences of MI and MII, and Aromatic is a monocyclic aromatic hydrocarbon or halogenated aromatic hydrocarbon are used to separate complexible ligands from a gas feedstream that com-prises an olefin having 2 or 3 carbon atoms, alkylation of the aromatic hydrocarbon or halogenated aromatic hydrocarbon is inhibited by incorporating in the liquid sorbent a small amount of an alkylation inhibitor that is zinc diphenyl or triphenylboron.
Patent CA-1121435-A (CA)
Inventor: KISHI YOSHIO
IPC: H02K3/32
Filed: 1981-07-10
Granted: 1982-04-06
Abstract: STATOR YOKE FOR ELECTRICAL APPARATUS               ABSTRACT OF THE DISCLOSURE        A stator yoke for a DC brushless motor is comprised of a layer of insulating material of a predetermined thickness and a layer of magnetically permeable material which are bonded to each other by adhesive or the like.  The magnetically permeable layer can be composed of several steel plates, preferably of silicon steel, bonded to each other.  The insulating layer in one embodiment is composed of a cloth-like material, for example, of glass fibers, and a cured adhesive filling the interstices of the cloth-like material and bonding the insulating layer to the magnetically permeable layer.
Patent CA-1129746-A (CA)
Title: Biopsy apparatus and methods of constructing and  utilizing same
Inventor: BAYLIS SHELBY M
IPC: A61M5/32
Filed: 1981-07-15
Granted: 1982-08-17
Abstract: ABSTRACT OF THE DISCLOSURE         The present invention provides an apparatus for extracting biopsy samples and the like, comprising, in combination: an elongat-ed hollow outer cannula having open distal and proximal ends, said distal end defining a cutting edge; solid inner means corresponding generally in length and shape to said outer cannula and being adap-ted to be tightly received within said hollow outer cannula for initial penetration of the body tissue; a hollow inner cannula adapted to be received within said hollow outer cannula after said solid initial puncture means has been removed therefrom; said inner cannula having an elongated distal cutting end section which projects beyond the distal cutting edge of said outer cannula when said inner cannula is introduced thereinto in operative position; and said distal cutting end section of said inner cannula having disposed therein cutting means for cutting the body tissue as the inner cannula is withdrawn from the body and thus causing the tissue sample to be collected interiorly of the hollow inner cannula.
Patent CA-1176436-A (CA)
Inventor: TEAGNO VLADIMIRO
IPC: H01R43/052
Filed: 1981-09-16
Granted: 1984-10-23
Abstract: ABSTRACT      A method and apparatus for making modular electrical harnesses in which, in a first operating zone, a leading end of a wire extending from a wire supply is terminated in a preselected terminal of a row of terminals in a first connector part further wire is fed from the supply to form a trailing loop and the trailing end of the wire is terminated in a preselected terminal of a row of terminals in a second connector part in end-to-end relation with the first connector part and severed from the supply.  The connector parts are fed in end-to-end relation along a path extending through several such operating zones progressively to connect all the preselected terminals of the first connector part to all preselected terminals of the second connector parts by respective wire loops.  A wire holding head in each zone provides an operable loop forming track.